As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3712 - FWA-ELP - SYSTEM ''A'' HYDRAULIC PRESSURE AND QUANTITY DROPPED TO ZERO ON CLIMB-OUT. AIRCRAFT MADE AN UNEVENTFUL RETURN TO FWA. FOUND NR 2 ENGINE ''A'' SYSTEM RETURN LINE LEAKING. INSTALLED FLEX LINE AND PERFORMED ENGINE RUN. NO LEAKS NOTED AND HYDRAULICS FLUID FULL. AIRCRAFT RETURNED TO SERVICE. (M)